A strange little side quest
Grombi trivia break for GeoVex: Alexey Pajitnov created Tetris in 1984 after drawing inspiration from pentomino puzzles, then simplified the idea around shapes made from four squares. There is another connection worth keeping in the same mental pocket: Atari's Gran Trak 10 from 1974 is recognized as the first arcade racing video game. The screen is modern; the urge to test skill, pattern and timing definitely is not.